package server.json;

import rpc.util.RpcLog;

public class Hello {

public interface AgeListener {

void onChanged(int age);

}

private AgeListener mAgeListener;

String mName = "no one";

int mAge = 0;

public String sayName() {

return mName;

}

public int add(int a, int b) {

return a+b;

}

public void giveName(String name) {

mName = name;

}

public int growUp() {

++mAge;

if (mAgeListener!=null) {

RpcLog.i("Hello", "age is changed");

mAgeListener.onChanged(mAge);

}

return mAge;

}

public void observeAge(String type, AgeListener listener) {

//if (type == "growup") {

RpcLog.i("Hello", "observeAge");

mAgeListener = listener;

//}

}

public void unobserveAge(String type, AgeListener listener) {

//if (type == "growup") {

mAgeListener = null;

//}

}

}